Senior Project Manager

DACON, the construction business unit of Dashiell Corporation, an operating company of Quanta Services (NYSE: PWR), specializes in the construction of medium- and high-voltage electrical infrastructure. DACON delivers construction services across substations and power systems, supporting electric utilities, power generation, industrial, petrochemical, and renewable energy clients.

Backed by more than 60 years of experience through Dashiell, DACON provides field-proven expertise in substation construction, equipment installation, cable systems, and energized infrastructure projects. DACON is part of a nationwide network of Quanta Services companies delivering safe, reliable, and high-quality electrical construction solutions. Learn more at

The Senior Project Manager provides senior-level leadership for Dacon’s most complex and high-value electrical construction projects within the substation and power systems portfolio. In addition to managing a portfolio of projects, the Senior Project Manager leads estimating on major bid pursuits, serves as a technical resource and mentor for the project management team, contributes to business development activities, and drives continuous improvement in project delivery and estimating practices.

The position will be based in our Deer Park, Texas office located at 1300 Underwood Rd, Deer Park, TX 77536 and will report to Dacon’s Director of Project Management.

• Lead and manage a portfolio of large, complex electrical construction projects — including greenfield and modification substations up to 500 kV, cable systems, and high‑voltage power infrastructure — from award through final closeout.
• Establish project execution strategies, staffing plans, procurement plans, and risk management frameworks at project inception.
• Serve as senior client relationship manager for major accounts; lead client meetings, negotiations, and project reviews at the executive level.
• Oversee project financial performance across a portfolio, including budget management, cost forecasting, and margin optimization.
• Direct, coach, and mentor Project Managers and Assistant Project Managers; provide guidance on complex project challenges and professional development.
• Lead contract administration including change order negotiation, claims avoidance, and dispute resolution.
• Partner with business development teams on proposal development, bid strategies, and contract review for new opportunities.
• Champion implementation of project management best practices, tools, and standards across the Dacon project management organization.
• Ensure full compliance with all contractual, regulatory, and safety requirements across managed projects.
• Identify and elevate project risks to senior leadership; develop and execute mitigation strategies.
• Represent Dacon at client, industry, and community events as appropriate.
• Lead estimating efforts for large and complex bid opportunities, including major substation projects, transmission work, and high‑voltage power construction pursuits.
• Establish estimating standards, templates, and review processes to drive consistency and accuracy across the project management and estimating teams.
• Review and approve final estimates and proposals prior to submission; ensure alignment between estimate assumptions and contractual risk.
• Collaborate with business development and executive leadership on bid/no‑bid decisions, competitive positioning, and pursuit strategy for significant opportunities.
• Perform special projects and complete other duties as assigned or requested.

• Lead delivery of Dacon’s largest and most strategic projects, directly driving company revenue, profitability, and client retention.
• Build and maintain senior‑level client relationships that generate repeat business and support Dacon’s growth objectives.
• Elevate the capability of the project management team through active mentorship, coaching, and development of Project Managers and Assistant Project Managers.
• Strengthen organizational project delivery standards by identifying and implementing process improvements across the project management function.
• Drive…